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Find low faresSouthwest® flights from San Diego to Austin from $84
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Low fares from San Diego to Austin
$
San Diego (SAN)to
Austin (AUS)
Depart: 05/05/2026
One-way
Basic
From
$84
Seen: 12 hrs ago
San Diego (SAN)to
Austin (AUS)
Depart: 02/24/2026
One-way
Basic
From
$84
Seen: 22 hrs ago
San Diego (SAN)to
Austin (AUS)
Depart: 04/04/2026
One-way
Basic
From
$84
Seen: 19 hrs ago
San Diego (SAN)to
Austin (AUS)
Depart: 03/24/2026
One-way
Basic
From
$84
Seen: 9 hrs ago
San Diego (SAN)to
Austin (AUS)
Depart: 02/25/2026
One-way
Basic
From
$84
Seen: 15 hrs ago
San Diego (SAN)to
Austin (AUS)
Depart: 04/18/2026
One-way
Basic
From
$84
Seen: 6 hrs ago
Explore flights from San Diego to Austin
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Flight Details
Departing from:
San Diego International Airport
Arriving at:
Austin-Bergstrom International Airport
Average flight time:
2 hours 53 minutes
Distance:
1164 miles
Route Information
156† Weekly flights
- 4‡ Nonstop flights per day Monday through Friday
- 2‡ Nonstop flights on Saturday
- 3‡ Nonstop flights on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
The average flight time from San Diego to Austin is 2 hours 53 minutes.
There are 156 weekly flights from San Diego to Austin on Southwest Airlines.
Yes, Southwest flies nonstop from San Diego to Austin 4 times per day from Monday through Friday.
Yes, Southwest flies nonstop from San Diego to Austin 2 times per day on Saturdays and 3 times per day on Sundays.
To find the lowest fares by day and time to fly San Diego to Austin with Southwest, check out our Low Fare Calendar.
You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
Yes! Flights from San Diego to Austin—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.